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8671313 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8671313: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.622 INCHES NOMINAL IN, material: STEEL COMP 1015 OR STEEL COMP 1020 OVERALL, overall_length: 2.438 INCHES NOMINAL IN, undercut_width: 0.050 INCHES NOMINAL IN, hardness_rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-337-6950, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
8671313
NSN: 5315-00-337-6950
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
diameter0.622 INCHES NOMINAL IN
materialSTEEL COMP 1015 OR STEEL COMP 1020 OVERALL
overall_length2.438 INCHES NOMINAL IN
undercut_width0.050 INCHES NOMINAL IN
hardness_rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
features_providedCASEHARDENED
undercut_diameter0.531 INCHES NOMINAL IN
first_end_locationBOTH ENDS
first_hole_diameter0.156 INCHES NOMINAL IN
first_end_outer_radius0.063 INCHES NOMINAL IN
hole_arrangement_styleDRILLED THRU CENTER
second_end_outer_radius0.063 INCHES NOMINAL IN
NSN5315-00-337-6950
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8671313 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
UNDERCUT WIDTH: 0.050 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.531 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
HOLE ARRANGEMENT STYLE: DRILLED THRU CENTER
•
FIRST HOLE DIAMETER: 0.156 INCHES NOMINAL IN
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 0.622 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.050 INCHES NOMINAL IN
UNDERCUT DIAMETER0.531 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
HOLE ARRANGEMENT STYLEDRILLED THRU CENTER
FIRST HOLE DIAMETER0.156 INCHES NOMINAL IN
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
DIAMETER0.622 INCHES NOMINAL IN
OVERALL LENGTH2.438 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8671313?
8671313 is a PIN,GROOVED,HEADLESS.
What is the NSN for 8671313?
8671313 is cataloged in the U.S. Government catalog under NSN 5315-00-337-6950. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.